Invalid Username or Password when trying to login to GUI Cannot connect to the Internet errors Problem with your network connection errors

Cause:

System either does not have valid IP configuration or PHP is in a blocking state due to previous configuration

Resolution:

1. If you can ping yum.trixbox.org then skip to step 5 2. run the command: system-config-network to properly setup IP settings 3. using an editor like vi or nano, edit /etc/resolv.conf and make sure you have a valid DNS setting 4. run the command: /etc/init.d/network restart 5. run the command: service httpd restart